426951589 has 2 divisors, whose sum is σ = 426951590. Its totient is φ = 426951588.

The previous prime is 426951587. The next prime is 426951607. The reversal of 426951589 is 985159624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243890689 + 183060900 = 15617^2 + 13530^2 .

It is a cyclic number.

It is not a de Polignac number, because 426951589 - 2¹ = 426951587 is a prime.

Together with 426951587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426951587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213475794 + 213475795.

It is an arithmetic number, because the mean of its divisors is an integer number (213475795).

Almost surely, 2^426951589 is an apocalyptic number.

It is an amenable number.

426951589 is a deficient number, since it is larger than the sum of its proper divisors (1).

426951589 is an equidigital number, since it uses as much as digits as its factorization.

426951589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 49.

The square root of 426951589 is about 20662.8069003221. The cubic root of 426951589 is about 752.9963621801.

The spelling of 426951589 in words is "four hundred twenty-six million, nine hundred fifty-one thousand, five hundred eighty-nine".